/* 核心变量与重置 */
:root {
    --bg: #07070a;
    --bg-alt: #0d0d14;
    --c-bg: #15151e;
    --accent: #f621ba;
    --accent-dim: rgba(246, 33, 186, 0.15);
    --text-main: #ffffff;
    --text-mut: rgba(255, 255, 255, 0.65);
    --border: rgba(255, 255, 255, 0.06);
    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-accent: 0 4px 20px rgba(246, 33, 186, 0.25);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --trans: all 0.15s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* 强制 Flex 规则 */
.flex {
    display: flex;
    flex-wrap: wrap;
}
.flex > * {
    min-width: 0;
}

/* 强制文本规则 */
.mist, .peak, .peak-huge, .path, .drift {
    word-break: break-word;
    overflow-wrap: break-word;
}
.mist {
    word-break: keep-all;
}

/* 布局容器 */
.nest {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ====== 导航区域 (严格复用) ====== */
.cap {
    background: rgba(7, 7, 10, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.orbit {
    height: 72px;
    align-items: center;
    justify-content: space-between;
}

.sign img {
    height: 28px;
    display: block;
}

.stalk {
    gap: 32px;
    align-items: center;
}

.path {
    color: var(--text-mut);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--trans);
    white-space: nowrap;
}

.path:hover,
.path.active {
    color: var(--text-main);
}

.path.active {
    position: relative;
}

.path.active::after {
    content: '';
    position: absolute;
    bottom: -24px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    border-radius: 2px 2px 0 0;
}

/* ====== 模块 1: 情绪，精准传达 (Hero/Article) ====== */
.aura {
    position: relative;
    padding: 100px 0 120px;
    overflow: hidden;
    min-height: 85vh;
    align-items: center;
}

/* 创意种子: split_diagonal 变体 */
.aura::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    bottom: -10%;
    left: 45%;
    background: var(--bg-alt);
    transform: rotate(12deg);
    transform-origin: center;
    border-left: 1px solid rgba(246, 33, 186, 0.08);
    z-index: 0;
    box-shadow: -20px 0 60px rgba(0,0,0,0.5);
}

.aura .nest {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.aura-mist {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.peak-huge {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-main);
    white-space: normal;
}

.aura-mist .mist {
    font-size: 1.125rem;
    color: var(--text-mut);
    max-width: 480px;
    line-height: 1.8;
}

.knot-tags {
    gap: 16px;
    margin-top: 12px;
}

.belt-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--text-main);
}

.seed {
    width: 18px;
    height: 18px;
    fill: var(--accent);
}

/* 位图拼贴氛围模拟 (无图设计) */
.aura-visual {
    position: relative;
    height: 500px;
    perspective: 1000px;
}

.shard-float {
    position: absolute;
    background: var(--c-bg);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(8px);
}

.shard-float:hover {
    transform: translateY(-10px) scale(1.05) !important;
    border-color: rgba(246, 33, 186, 0.3);
}

.float-1 { top: 10%; left: 10%; transform: rotate(-10deg); font-size: 4rem; padding: 30px; }
.float-2 { top: 40%; right: 5%; transform: rotate(15deg); font-size: 3.5rem; }
.float-3 { bottom: 15%; left: 25%; transform: rotate(-5deg); z-index: 2; padding: 25px 40px; }
.float-4 { top: 5%; right: 30%; transform: rotate(5deg) scale(0.8); opacity: 0.8; }
.float-5 { bottom: 5%; right: 20%; transform: rotate(-15deg) scale(0.9); }

/* ====== 模块 2: 字未尽，图先至 (Capability/Div) ====== */
.vista {
    padding: 120px 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
}

.vista .nest {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 80px;
    align-items: center;
}

.vista-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.peak {
    font-size: clamp(2rem, 3.5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    white-space: normal;
}

.vista-info .mist {
    color: var(--text-mut);
    font-size: 1.1rem;
}

.knot-stalk {
    flex-direction: column;
    gap: 20px;
    margin-top: 16px;
}

.leaf-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.leaf-seed {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(246, 33, 186, 0.2);
}

.leaf-mist {
    display: flex;
    flex-direction: column;
}

.leaf-peak {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-main);
}

/* 聊天窗口截图模拟 */
.shard-mockup {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.mockup-cap {
    height: 60px;
    background: var(--c-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 12px;
}

.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
}

.mockup-body {
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: var(--bg-alt);
    min-height: 280px;
}

.bubble {
    padding: 14px 20px;
    border-radius: 18px;
    font-size: 1rem;
    max-width: 80%;
    line-height: 1.5;
}

.bubble-in {
    background: var(--c-bg);
    border: 1px solid var(--border);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.bubble-out {
    background: var(--accent-dim);
    border: 1px solid rgba(246, 33, 186, 0.3);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.mockup-input {
    padding: 20px;
    background: var(--c-bg);
    border-top: 1px solid var(--border);
    position: relative;
}

.input-field {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 12px 20px;
    color: var(--text-main);
    display: flex;
    align-items: center;
}

.input-cursor {
    width: 2px;
    height: 20px;
    background: var(--accent);
    margin-left: 4px;
    animation: blink 1s infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* 智能联想气泡 */
.suggest-fold {
    position: absolute;
    bottom: 80px;
    right: 20px;
    background: var(--c-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px;
    display: flex;
    gap: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

.suggest-leaf {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--trans);
    cursor: pointer;
}

.suggest-leaf:hover {
    background: var(--accent-dim);
    transform: translateY(-2px);
}

/* ====== 模块 3: 文字的另一种表情 (Closing/Section) ====== */
.fold-kaomoji {
    padding: 100px 0 140px;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}

.fold-kaomoji .nest {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.fold-kaomoji .peak {
    text-align: center;
    margin-bottom: 20px;
}

.fold-kaomoji .mist {
    text-align: center;
    max-width: 600px;
    color: var(--text-mut);
    margin-bottom: 60px;
}

.knot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    width: 100%;
}

.shard-kaomoji {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px; /* 直角硬朗风格 */
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    transition: var(--trans);
    position: relative;
    overflow: hidden;
}

.shard-kaomoji:hover {
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.shard-kaomoji::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: transparent;
    transition: var(--trans);
}

.shard-kaomoji:hover::before {
    background: var(--accent);
}

.kaomoji-face {
    font-size: 2rem;
    font-weight: 400;
    color: var(--text-main);
    font-family: monospace, sans-serif;
    white-space: nowrap;
}

.kaomoji-tag {
    font-size: 0.85rem;
    color: var(--text-mut);
    padding: 4px 12px;
    background: var(--c-bg);
    border-radius: 2px;
    border: 1px solid rgba(255,255,255,0.03);
}

/* ====== 页脚区域 ====== */
.root {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 60px 0;
}

.root .nest {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.echo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

.drift {
    color: rgba(255,255,255,0.4);
    font-size: 0.9rem;
}

/* 响应式断点 */
@media (max-width: 1024px) {
    .aura .nest,
    .vista .nest {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .aura::before {
        left: 0;
        top: 40%;
        transform: skewY(-10deg);
    }
    .aura-visual {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .stalk {
        display: none; /* 移动端简易处理，真实项目应有汉堡菜单 */
    }
    .peak-huge {
        font-size: 2.5rem;
    }
    .aura {
        padding: 60px 0;
    }
    .vista, .fold-kaomoji {
        padding: 80px 0;
    }
    .shard-float {
        font-size: 2rem;
        padding: 15px;
    }
    .float-1 { font-size: 2.5rem; }
    .knot-grid {
        grid-template-columns: 1fr;
    }
}

.pinyin-cap .pinyin-flex{ display: flex; flex-wrap: wrap; }

.pinyin-cap .pinyin-flex > *{ min-width: 0; }

.pinyin-cap{
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 7, 10, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

.pinyin-cap .pinyin-orbit{
            max-width: 1400px;
            margin: 0 auto;
            padding: 16px 4vw;
            justify-content: space-between;
            align-items: center;
        }

.pinyin-cap .pinyin-sign{
            display: flex;
            align-items: center;
        }

.pinyin-cap .pinyin-sign img{
            height: 34px;
            width: auto;
            display: block;
        }

.pinyin-cap .pinyin-stalk{
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }

.pinyin-cap .pinyin-path{
            color: #a1a1aa;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: 0.15s ease;
            position: relative;
        }

.pinyin-cap .pinyin-path:hover, .pinyin-cap .pinyin-path.active{
            color: #f621ba;
        }

.pinyin-cap .pinyin-path.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background-color: #f621ba;
            border-radius: 2px;
        }

@media (max-width: 768px){.pinyin-cap .pinyin-stalk{ display: none;  }

.pinyin-cap .pinyin-orbit{ flex-direction: column; align-items: flex-start; gap: 20px; }

.pinyin-cap .pinyin-stalk{ display: flex; overflow-x: auto; width: 100%; padding-bottom: 10px; gap: 20px; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }

.pinyin-cap .pinyin-stalk > *{ flex-shrink: 0; }}

.pinyin-cap {
    background: rgb(7, 7, 10);
    background-image: none;
}

.echo-root {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--t1);
}
.echo-root,
.echo-root *,
.echo-root *::before,
.echo-root *::after {
    box-sizing: border-box;
}

.echo-root [role="navigation"],
.echo-root div,
.echo-root section,
.echo-root article,
.echo-root aside,
.echo-root p,
.echo-root h1,
.echo-root h2,
.echo-root h3,
.echo-root h4,
.echo-root h5,
.echo-root h6,
.echo-root a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.echo-root p,
.echo-root h1,
.echo-root h2,
.echo-root h3,
.echo-root h4,
.echo-root h5,
.echo-root h6 {
    text-decoration: none;
}

.echo-root img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.echo-root {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.echo-root a,
.echo-root a:hover,
.echo-root a:focus,
.echo-root a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.echo-root{
            background: #040406;
            padding: 80px 4vw 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

.echo-root .echo-root-inner{
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
            justify-content: space-between;
        }

.echo-root .echo-root-brand{
            flex: 1 1 300px;
        }

.echo-root .echo-peak-brand{
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

.echo-root .echo-mist-brand{
            color: #71717a;
            font-size: 0.9rem;
            max-width: 300px;
        }

.echo-root .echo-root-links{
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
        }

.echo-root .echo-knot-col{
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.echo-root .echo-peak-col{
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 8px;
        }

.echo-root .echo-path-foot{
            color: #71717a;
            text-decoration: none;
            font-size: 0.9rem;
            transition: 0.15s ease;
        }

.echo-root .echo-path-foot:hover{
            color: #f621ba;
        }

.echo-root .echo-root-bottom{
            max-width: 1400px;
            margin: 40px auto 0;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.05);
            text-align: center;
            color: #71717a;
            font-size: 0.85rem;
        }